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USN-3311-1: libnl vulnerability

6 June 2017

libnl could be made to crash or run programs.



  • libnl3 - library for dealing with netlink sockets


It was discovered that libnl incorrectly handled memory when performing
certain operations. A local attacker could possibly use this issue to cause
libnl to crash, resulting in a denial of service, or execute arbitrary

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.04
Ubuntu 16.10
Ubuntu 16.04
Ubuntu 14.04

After a standard system update you need to reboot your computer to make
all the necessary changes.


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